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IP Verse

Silica And Dentifrice Composition Comprising The Same - EP3210592

The patent EP3210592 was granted to Evonik Degussa on Aug 21, 2019. The application was filed on Feb 21, 2011 under application number EP17161710A. The patent is currently recorded with a legal status of "Revoked".

EP3210592

EVONIK DEGUSSA
Application Number
EP17161710A
Filing Date
Feb 21, 2011
Status
Revoked
Feb 18, 2022
Publication Date
Aug 21, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status
PQ PQ SILICAS UKMay 25, 2020MARKS & CLERKADMISSIBLE

Patent Citations (16) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONUS4340583
DESCRIPTIONUS4420312
DESCRIPTIONUS4421527
DESCRIPTIONUS6616916
OPPOSITIONEP0143848
OPPOSITIONEP0535943
OPPOSITIONUS2006110338
OPPOSITIONWO03055802
OPPOSITIONWO9634592
OPPOSITIONWO9634593
SEARCHEP2228344
SEARCHWO03055802
SEARCHWO2009072218
SEARCHWO2009140577
SEARCHWO9634592
SEARCHWO9634593

Dossier Documents

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    Description

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